Osa Weather (Next 3 days): The snow forecast for Osa is: A light covering of new snow, mostly falling on Wed morning. Temperatures will be below freezing (max -1°C on Tue afternoon, min -7°C on Wed night). Winds increasing (light winds from the NNW on Tue night, strong winds from the WNW by Wed night).
Osa Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -6°C on Sun night). Winds decreasing (strong winds from the WNW on Sat afternoon, light winds from the WNW by Mon morning).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Osa:
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | | |  | | | | | | | | | |  |  | | |
light snow | snow shwrs | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | cloudy | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | 1 | — | 1 | 2 | 1 | 1 | — | — | 2 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | -4 | -2 | -3 | -5 | -5 | -6 | -5 | -2 | -2 | -2 | -2 | -3 | -4 | -1 | -1 | -3 |
min °C | -3 | -5 | -3 | -5 | -7 | -6 | -6 | -6 | -4 | -3 | -3 | -2 | -4 | -4 | -3 | -3 | -6 |
-8 | -10 | -10 | -14 | -17 | -15 | -15 | -14 | -12 | -10 | -10 | -10 | -13 | -13 | -11 | -9 | -9 | |
88 | 86 | 90 | 80 | 76 | 89 | 81 | 84 | 83 | 78 | 85 | 81 | 74 | 75 | 74 | 71 | 89 | |
500 | 0 | 250 | 250 | 0 | 0 | 0 | 0 | 0 | 350 | 400 | 350 | 250 | 200 | 250 | 450 | 0 | |
 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — |
 | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — |
A light covering of new snow, mostly falling on Wed morning. Temperatures will be below freezing (max -1°C on Tue afternoon, min -7°C on Wed night). Winds increasing (light winds from the NNW on Tue night, strong winds from the WNW by Wed night).
A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -6°C on Sun night). Winds decreasing (strong winds from the WNW on Sat afternoon, light winds from the WNW by Mon morning).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 19 Jan 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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